<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div {
            width: 200px;
            height: 200px;
            background-color: pink;
            /* padding-left: 20px;
            padding-top: 30px; */
            /* padding: 50px; */
            /* 一个值，代表上下左右都有50px的内边距 */
            padding: 50px 70px;
            /* 两个值，代表上下为50px，左右为70px */
        }
    </style>
</head>

<body>
    <div>sufficient adj.充分的</div>
</body>

</html>